Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves: the epitome of hydraulic innovation. These engineering marvels combine pressure, flow, and directional control into a singular, cohesive masterpiece, ensuring unmatched performance and reliability across diverse applications. Comprising three critical functional modules-connecting blocks, directional valves, and end plates-these precision-engineered valves integrate seamlessly into high-end hydraulic systems, vital for superior engineering machinery. They meticulously manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unparalleled precision and control. Key highlights encompass a compact structure, exceptional energy efficiency, and stepless speed control capability. Furthermore, they empower multiple actuators to operate concurrently under varying loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are meticulously engineered for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. Conversely, the HLPSV valves are ingeniously designed for variable pump systems. Although HLPSV valves may exhibit a slightly slower response, they excel in delivering remarkable energy-saving performance, rendering them the optimal choice when efficiency is paramount. With state-of-the-art engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control needs, offering an ideal blend of precision, reliability, and efficiency.
| References |
size 2 |
size 3 |
size 5 |
| Number of Directional Valve bank |
1~12 |
1~12 |
1~10 |
| Port access type |
thread connection |
thread connection |
thread connection |
| Flow code |
3,6,10,16,25,40 |
3,6,10,16,25,40,63,80 |
16,25,40,63,80,120,160 |
| Max.flow(L/min) |
54 |
100 |
210 |
| Max.pressure(bar) |
420 |
420 |
420 |
| Control Method |
Pilot circuit pressure(bar) |
20~40 |
20~40 |
20~40 |
| Manual force(N) |
≥2.3Nm |
≥1.3Nm |
≥3Nm |
| Working Pressure(ºC) |
-40~80 |
-40~80 |
-40~80 |
| Weight |
Connection Block (kg) |
1.7 |
4 |
8 |
| Directional Valve bank (kg) |
1.9 |
4 |
8 |
| End Plate (kg) |
0.5 |
1.5 |
2.5 |
| Fix mode |
thread connection M8 |
thread connection M8 |
thread connection M10 |
Installation Instructions
(1) Essential Connection Block Codes
HLPSL: Constant Displacement Pump - A pillar of steadfastness, this pump guarantees consistent and unwavering performance, ensuring smooth and efficient operations throughout your system. Discover the unrivaled reliability that transforms your machinery into a seamless operational powerhouse.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and adaptability, this pump provides exceptional freedom to meet a diverse range of operational requirements. Expertly designed to adapt to shifting demands, it ensures seamless transitions and optimum control.;
(2) Connection Block Ports P & R Specifications - The fusion of precision and reliability, creating a robust operational framework: Meticulously crafted to ensure flawless performance, this specification elevates reliability across every application.:
2-G3/8; Crafted for compact efficiency, designed to enhance streamlined and seamless operations. Impeccably engineered for precision, it guarantees exceptional performance even in the tightest conditions.
3-G1/2; Designed for strength and dependability, offering a robust foundation for system integrity. Built to withstand, delivering unwavering durability in the harshest environments.;
4-G3/4; Featuring cutting-edge connectivity, providing superior control and enhanced system integration. It merges sophistication and efficiency to elevate your system's operational excellence.;
5, 55-G1; Delivering superior flow rates, perfect for high-demand operations, ensuring consistent and reliable functionality. Designed for excellence, it easily handles high-pressure challenges.;
6-G1 1/4; Providing unmatched performance, expertly engineered to excel in challenging environments and surmount obstacles effortlessly. Setting new benchmarks in power and performance.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented levels: Harness the full potential of your operations with advanced components that redefine the pinnacle of excellence.:
C,Standard Type - A stalwart foundation, meticulously crafted to meet essential operational standards. Providing unwavering support and unrivaled reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, boosting the overall efficiency of your system. It ensures your operations are finely tuned for peak effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and reliability. It transcends conventional boundaries to deliver extraordinary outcomes.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions tailored to a diverse array of applications: Meticulously crafted to suit your specific requirements, providing unparalleled precision control that impeccably aligns with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering custom-engineered solutions meticulously tailored to seamlessly integrate with your unique operational requirements. Experience bespoke configurations ensuring you effortlessly achieve your desired outcomes with precision and ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your efficiency and control to new heights: Expertly designed to enhance your system's performance, providing unparalleled control and superior effectiveness that revolutionizes your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump when powered, deactivating it when unpowered; D - Normally closed magnetic ball valve, deactivating the pump when powered, activating it when unpowered. Offering precision tuning for unmatched system efficiency and adaptability.D/F - Introducing a cutting-edge, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with exceptional accuracy to maintain a precisely defined pressure value, significantly elevating advanced safety measures and optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the pinnacle of versatility and precision with adjustable settings ranging across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly accommodating every hydraulic requirement. The /NF configuration provides systems without a pressure limiting valve, expertly designed for HLPSV, delivering unmatched pressure control across diverse applications with outstanding accuracy.
(7) Product Series Classification - The Zenith of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, skillfully conceived to address every application, guaranteeing a product that flawlessly aligns with your specific requirements, delivering consistently exceptional performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for flawless and seamless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Choose from a comprehensive selection of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller. Experience pre-selectable options, each delivering precision and exceptional efficiency, tailored to your specific needs.
(10) Valve core function symbols: Explore an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements with unmatched precision and reliability.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and unwavering dependability.
(12) Secondary Pressure Limitation Options: Choose from a selection that prioritizes unparalleled operational integrity: N, offering no pressure limiting protection; C, providing concurrent pressure limitation for actuator ports A & B; or A---B--- for independent pressure restriction on ports A & B. All options are meticulously measured in bar, guaranteeing uncompromising system safety and reliability.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational experience with our customizable selections. Choose 'N' for a seamless setup without function ON/OFF or pressure outlet integration. Opt for 'X' featuring C type pressure limitation, or 'S/S1' with AB type pressure limitation for enhanced operational control. Select 'A' for electrical ON/OFF on side A, or 'B' for electrical ON/OFF on side B, each tailored for unmatched precision and functionality.
(14) Operation Modes: Immerse yourself in a spectrum of operation modes designed for unmatched versatility and precision. 'A(1,2)' offers manual operation with the choice of a long or short handle. 'E' introduces electric proportional control, while 'EA(1,2)' combines it with manual operation for optimal flexibility. 'D' provides electric switching value control, with 'DA(1,2)' adding manual operational capabilities. 'M' specializes in manual friction positioning with a long handle. Experience 'H' and 'F' for pure hydraulic control, with pilot oil ports expertly aligned or perpendicular respectively, ensuring comprehensive mastery.
(15) Ancillary Block Port Sizes: Redefine adaptability with our precisely engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each option is meticulously designed to ensure seamless integration and adaptability, promising exceptional performance across a broad spectrum of systems.
(16) End Plate Options: Explore our meticulously crafted end plate solutions. 'E1' stands as your standard, offering an external discharge of pilot oil and an oil return control port T. 'E2' enhances flexibility with an added port Y. 'E3' introduces a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, assuring superior performance.
E4, reflecting 'E1', incorporates innovative internal discharge of pilot oil with a sealed port T, optimizing efficiency. 'E5' mirrors the robust features of 'E2' with an internal discharge, ensuring optimal performance. 'E6' embodies the sophisticated design of 'E3', delivering advanced discharge control for the most intricate system requirements.
(17) Control Voltage and Anti-Explosion Cable Options: Select from our secure and reliable range, including G12-12VDC, expertly crafted for safety and reliability in even the most demanding applications. Our options are engineered to provide specialization and security.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with its relentless commitment to innovation and unparalleled excellence. As a proud and prestigious subsidiary of the revered China Baoan Group (stock code: 000009), we stand tall as a national high-tech enterprise, a testament to our unwavering dedication to technological progression and superior quality standards. Our unparalleled expertise encompasses the meticulous research, pioneering development, precise manufacturing, and strategic sales of premium hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our pursuit of excellence, reinforcing our leadership position in the field.
At the heart of our product line stands the flagship innovation: the Enhanced Safety Atex Valve. This masterpiece of modern engineering embodies the zenith of cutting-edge hydraulic system control, meticulously crafted for deployment in construction machinery and robust heavy-duty equipment. It plays a vital role in imperative applications ranging from emergency rescue operations to tunnel engineering, mining endeavors, and the deployment of municipal service vehicles. We are profoundly committed to our strategic alliances with leading domestic manufacturers, propelling the advancement of core hydraulic component localization for high-end mechanical equipment. Anchored by our guiding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our quest to deliver exceptional products, unparalleled services, and innovative solutions. With a vision to emerge as a globally trusted supplier of premier hydraulic components, we continually aspire to set new benchmarks of excellence on the international stage.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this timeframe, we undertake meticulous preparations and uphold rigorous quality control processes, ensuring that each product is delivered to you in impeccable condition. Achieving your utmost satisfaction with our flawless delivery remains our primary commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, granting you the convenience of ordering as little as a single piece for sample verification. This flexibility allows you to initiate your projects with utmost ease and precision, effortlessly accommodating your exclusive requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution just for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, guaranteeing that every detail is executed to perfection for a seamless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
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